[PATCH v6 1/2] iio: dac: add mcf54415 DAC

[Andy Shevchenko]

On Thu, Jun 18, 2026 at 11:04:15PM +0200, Angelo Dureghello wrote:

> Add basic version of mcf54415 DAC driver. DAC is embedded in the SoC and
> DAC configuration registers are mapped in the internal IO address space.
> 
> The DAC accepts a 12-bit digital signal and creates a monotonic 12-bit
> analog output varying from DAC_VREFL to DAC_VREFH. The DAC module
> consists of a conversion unit, an output amplifier, and the associated
> digital control blocks. Default register values for DAC_VREFL and DAC_VREFH
> are respectively 0 and 0xfff, left untouched in this initial version.
> 
> This initial version of the driver is minimalistic, "output raw" only, to
> be extended in the future. DMA and external sync are disabled, default mode
> is high speed, default format is right-justified 12-bit on 16-bit word.

...

> +#include <linux/bitfield.h>
> +#include <linux/bits.h>
> +#include <linux/clk.h>
> +#include <linux/delay.h>
> +#include <linux/err.h>

> +#include <linux/io.h>

Is it used now?

> +#include <linux/mod_devicetable.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/regmap.h>
> +#include <linux/types.h>

...

> +	platform_set_drvdata(pdev, indio_dev);

Is it used?

...

Otherwise LGTM,
Reviewed-by: Andy Shevchenko <andriy.shevchenko at intel.com>

-- 
With Best Regards,
Andy Shevchenko